MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Stop


Vendor detections: 16


Intelligence 16 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2
SHA3-384 hash: dbe29bed78542119e188516a7865adc4f19a9f46bf46df829a9b8d5cc4cbc5783cfaff74a9a44db37a11c7db5a0e371a
SHA1 hash: 643e34573258d1511921c8d97a5b3c26d6c70b62
MD5 hash: 03cea6f6022a3a08d1ea003091a3e502
humanhash: earth-eleven-utah-neptune
File name:03cea6f6022a3a08d1ea003091a3e502.exe
Download: download sample
Signature Stop
Create hunting rule
File size:780'288 bytes
First seen:2024-04-24 12:45:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c221599ea7b9c4f042cfb23a69ed3b1 (3 x Stop)
ssdeep 12288:e2ZPFVL/YNfMNwpo4id34UcFg522Af3mhQIDBYHJD9wICzXXRXGoKU:e2tcMNqo3/c+52TvsQ0CjCdKU
Threatray 1'882 similar samples on MalwareBazaar
TLSH T119F412103CE28C70E4A7C6310B259952DA3EFCB559608BEBB34C551D1B754C0BA6FAEA
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 00084454a0104200 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://cajgtus.com/test2/get.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
383
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 12:48:49 UTC
Tags:
loader vodkagats djvu ransomware stop
Link:
https://app.any.run/tasks/b79163ae-bbd6-4ffe-8dc0-a821b5e25f45

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a TCP request to an infection source
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/97da5cf6-f332-4691-9f02-ca1de266a37e
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1431081
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1431081 Sample: sIQywRNC5M.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 91 sdfjhuz.com 2->91 93 cajgtus.com 2->93 95 2 other IPs or domains 2->95 113 Snort IDS alert for network traffic 2->113 115 Multi AV Scanner detection for domain / URL 2->115 117 Found malware configuration 2->117 119 13 other signatures 2->119 13 sIQywRNC5M.exe 2->13         started        16 sIQywRNC5M.exe 2->16         started        18 mstsca.exe 2->18         started        20 6 other processes 2->20 signatures3 process4 signatures5 139 Detected unpacking (changes PE section rights) 13->139 141 Detected unpacking (overwrites its own PE header) 13->141 143 Writes a notice file (html or txt) to demand a ransom 13->143 155 2 other signatures 13->155 22 sIQywRNC5M.exe 1 16 13->22         started        145 Antivirus detection for dropped file 16->145 147 Multi AV Scanner detection for dropped file 16->147 149 Machine Learning detection for dropped file 16->149 26 sIQywRNC5M.exe 16->26         started        151 Injects a PE file into a foreign processes 18->151 29 mstsca.exe 18->29         started        153 Sample uses process hollowing technique 20->153 31 sIQywRNC5M.exe 20->31         started        33 sIQywRNC5M.exe 20->33         started        35 mstsca.exe 20->35         started        37 2 other processes 20->37 process6 dnsIp7 97 api.2ip.ua 104.21.65.24, 443, 49704, 49705 CLOUDFLARENETUS United States 22->97 69 C:\Users\user\AppData\...\sIQywRNC5M.exe, PE32 22->69 dropped 39 sIQywRNC5M.exe 22->39         started        42 icacls.exe 22->42         started        71 C:\Users\user\_README.txt, ASCII 26->71 dropped 73 C:\Users\user\Desktop\...OWRVPQCCS.mp3, data 26->73 dropped 75 C:\Users\user\AppData\Local\...\_README.txt, ASCII 26->75 dropped 133 Modifies existing user documents (likely ransomware behavior) 26->133 44 schtasks.exe 29->44         started        file8 signatures9 process10 signatures11 131 Injects a PE file into a foreign processes 39->131 46 sIQywRNC5M.exe 1 23 39->46         started        51 conhost.exe 44->51         started        process12 dnsIp13 103 sdfjhuz.com 201.103.73.225, 49707, 80 UninetSAdeCVMX Mexico 46->103 105 cajgtus.com 63.143.98.185, 49708, 49709, 49710 DIG001JM Jamaica 46->105 83 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 46->83 dropped 85 C:\Users\...\DefaultLayouts.xml.bgzq (copy), data 46->85 dropped 87 ExplorerStartupLog...nce.etl.bgzq (copy), data 46->87 dropped 89 109 other malicious files 46->89 dropped 107 Tries to harvest and steal browser information (history, passwords, etc) 46->107 109 Infects executable files (exe, dll, sys, html) 46->109 111 Modifies existing user documents (likely ransomware behavior) 46->111 53 build2.exe 46->53         started        56 build3.exe 46->56         started        file14 signatures15 process16 signatures17 121 Detected unpacking (changes PE section rights) 53->121 123 Detected unpacking (overwrites its own PE header) 53->123 125 Writes many files with high entropy 53->125 58 build2.exe 53->58         started        127 Uses schtasks.exe or at.exe to add and modify task schedules 56->127 129 Injects a PE file into a foreign processes 56->129 63 build3.exe 56->63         started        process18 dnsIp19 99 95.217.9.149, 443, 49712, 49713 HETZNER-ASDE Germany 58->99 101 steamcommunity.com 184.85.65.125, 443, 49711 AKAMAI-ASUS United States 58->101 77 C:\Users\user\AppData\Local\...\sqln[1].dll, PE32 58->77 dropped 79 C:\Users\user\...\76561199673019888[1].htm, data 58->79 dropped 135 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 58->135 137 Tries to harvest and steal browser information (history, passwords, etc) 58->137 81 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 63->81 dropped 65 schtasks.exe 63->65         started        file20 signatures21 process22 process23 67 conhost.exe 65->67         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 12:46:06 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5eohha7uyr3k2ohlaagmatnyjpgfh6njkonxcsy2ixelsplthba._file
Verdict:
malicious
Similar samples:
200690de2b973c6f7a702d5129dea09aec57d548cab07e19f012e5a8e0c6ae64
Stop
444cf71032e7c7be2a79255af4fb38bab0333fb0a060ecc3fe91473d26ebce83
Stop
53193f424f55572d6c57e1efc0d9afbce1fb8d2e09de0669bc230c34dccd330d
Stop
62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
Stop
8e53393db26258fb917fd570861070420d31148c2826dcdbed52ce326c2d5ff6
Stop
946e4a86f1cb22fab17f7e3a9a0422421e781b99357436e816ddb00e5154ed48
Stop
+ 1'872 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/240424-pzl3psab5w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://cajgtus.com/test2/get.php
Unpacked files
SH256 hash:
18f3120c547c3568ab79e3762b4f3112f6f8c5024c35e6f3a2b43242191ce91d
MD5 hash:
0219f65aec5c3d049d69e9741fabf37a
SHA1 hash:
77f19519bd90bbed0da7eaea1ba74f67d51e84fc
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_STOP
Create hunting rule
Link:
https://www.unpac.me/results/ce505be3-76ce-4794-948b-72c2c30a6587/
Parent samples :
53193f424f55572d6c57e1efc0d9afbce1fb8d2e09de0669bc230c34dccd330d
bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c
651bf6dc2ce11fbbda045ac186ab58ac3d691f8d28dc811f2b1552fe74b275cc
200690de2b973c6f7a702d5129dea09aec57d548cab07e19f012e5a8e0c6ae64
2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2
f6a6765642f0f8c4b81f45d4e1a9f65505432bbf4c249fa3c96b82d9c712effe
0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891
0e40646d6311552a7f6e7a386a06421d97de655f65b099e455cf22db10afd746
a4ecbf9d395be341a8a4e042bab9679d4ee6e43f9f9cf1690d88bf277ef09803
SH256 hash:
2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2
MD5 hash:
03cea6f6022a3a08d1ea003091a3e502
SHA1 hash:
643e34573258d1511921c8d97a5b3c26d6c70b62
Link:
https://www.unpac.me/results/ce505be3-76ce-4794-948b-72c2c30a6587/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f48e39c1fa6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Check_Dlls
Create hunting rule
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 2f48e39c1fa623b569c7580066026dc25e629fcd4a9cdb8a58d22e45c9eb99c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2786048/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments